added tests for pseudo-class case-insensitivity
added tests for pseudo-class case-insensitivity

kraih/mojo,s1037989/mojo,kak-tus/mojo,polettix/mojo,chenri/mojo,augensalat/mojo,lindleyw/mojo,Grinnz/mojo,kberov/mojo,kiwiroy/mojo,jamadam/mojo,dotandimet/mojo,vlet/mojo,CandyAngel/mojo,dolmen/p5-Mojolicious,s1037989/mojo,vlet/mojo,marcusramberg/mojo,scottw/mojo